From 09b5f3aba156f95b368e07327aa6818a31cfaaa3 Mon Sep 17 00:00:00 2001
From: Vanadar <vanadar.univers@gmail.com>
Date: Mon, 19 May 2014 11:49:46 +0200
Subject: [PATCH] add switch language button

---
 index.html             | 17 ++++++++++++++---
 script/engine.js       | 29 ++++++++++++++++++++++++++++-
 script/localization.js |  4 ++--
 3 files changed, 44 insertions(+), 6 deletions(-)
diff --git a/index.html b/index.html
index cd0a439..1c236f9 100644
--- a/index.html
+++ b/index.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html itemscope itemtype="http://schema.org/CreativeWork">
 <head>
+	<meta charset="UTF-8"/>
 	<!--  
 		A Dark Room (v1.4)
 		==================
@@ -28,9 +29,19 @@
 	<script src="lib/translate.js"></script>
 	
 	<script>
-		//load language
-		document.write('<script src="lang/fr/strings.js"><\/script>');
-		document.write('<link rel="stylesheet" type="text/css" href="lang/fr/main.css" \/>');
+		// try to read "lang" param's from url
+		var lang = decodeURIComponent((new RegExp('[?|&]lang=' + '([^&;]+?)(&|#|;|$)').exec(location.search)||[,""])[1].replace(/\+/g, '%20'))||null;
+		// if no language requested, try to read it from local storage
+		if(!lang){
+			try {
+				lang = localStorage.lang;
+			} catch(e) {}
+		}
+		// if a language different than english requested, load all translations
+		if(lang && lang != 'en'){
+			document.write('<script src="lang/'+lang+'/strings.js"><\/script>');
+			document.write('<link rel="stylesheet" type="text/css" href="lang/'+'lang'+'/main.css" \/>');
+		}
 	</script>
 	
 	<script src="script/Button.js"></script>
diff --git a/script/engine.js b/script/engine.js
index 989980b..5c75204 100644
--- a/script/engine.js
+++ b/script/engine.js
@@ -109,6 +109,14 @@ var Engine = {
 			.addClass('menu')
 			.appendTo('body');
 
+		 $('<select>')
+			.addClass('menuBtn')
+			.append($('<option>').text("choose your language"))
+			.append($('<option>').text("English").val("en"))
+			.append($('<option>').text("Français").val("fr"))
+			.change(Engine.switchLanguage)
+			.appendTo(menu);
+			
 		 $('<span>')
 			.addClass('lightsOff menuBtn')
 			.text(_('lights off.'))
@@ -137,7 +145,9 @@ var Engine = {
 			.addClass('menuBtn')
 			.text(_('app store.'))
 			.click(function() { window.open('https://itunes.apple.com/us/app/a-dark-room/id736683061'); })
-			.appendTo(menu);	
+			.appendTo(menu);
+			
+		
 		
 		// Register keypress handlers
 		$('body').off('keydown').keydown(Engine.keyDown);
@@ -168,6 +178,7 @@ var Engine = {
 			Ship.init();
 		}
 		
+		Engine.saveLanguage();
 		Engine.travelTo(Room);
 
 	},
@@ -580,6 +591,22 @@ var Engine = {
 	
 	handleStateUpdates: function(e){
 		
+	},
+	
+	switchLanguage: function(dom){
+		var lang = $(this).val();
+		if(document.location.href.search(/[\?\&]lang=[a-z]+/) != -1){
+			document.location.href = document.location.href.replace( /([\?\&]lang=)([a-z]+)/gi , "$1"+lang );
+		}else{
+			document.location.href = document.location.href + ( (document.location.href.search(/\?/) != -1 )?"&":"?") + "lang="+lang;
+		}
+	},
+	
+	saveLanguage: function(){
+		var lang = decodeURIComponent((new RegExp('[?|&]lang=' + '([^&;]+?)(&|#|;|$)').exec(location.search)||[,""])[1].replace(/\+/g, '%20'))||null;	
+		if(lang && typeof Storage != 'undefined' && localStorage) {
+			localStorage.lang = lang;
+		}
 	}
 };
 
diff --git a/script/localization.js b/script/localization.js
index 9664cc6..2b98c52 100644
--- a/script/localization.js
+++ b/script/localization.js
@@ -1,13 +1,13 @@
 (function(){
 	//only used for poedit to find translatable strings
 	var keywords = [ _('saved.'), _('wood'),_('builder'),_('teeth'),_('meat'),_('fur'), _('alien alloy'), _('bullets'),
-	                 _('charm'),_('leather'),_('iron'), _('steel'), _('coal'), _('enegy cell')
+	                 _('charm'),_('leather'),_('iron'), _('steel'), _('coal'), _('enegy cell'),
 	                 _('torch'),_('medicine'),_('hunter'),_('trapper'),_('tanner'),
 	                 _("charcutier"),_('iron miner'),_('coal miner'), _('sulphur miner'),  _('armourer'),
 	                 _('steelworker'),_('bait'),_('cured meat'), _('scales'), _('compass'), _('laser rifle'),
 	                 _('gatherer'),_('cloth'), _('scales'), _('cured meat'), _('thieves'),
 	                 _('not enough fur'), _('not enough wood'), _('not enough coal'), _('not enough iron'), _('not enough steel'), _('baited trap'),
-			_('not enough scales'),  _('not enough teeth'), _('not enough leather'),
+					 _('not enough scales'),  _('not enough teeth'), _('not enough leather'),
 	                 _('the compass points east.'), _('the compass points west.'), _('the compass points north.'), _('the compass points south.'), 
 	                 _('the compass points northeast.'), _('the compass points northwest.'), _('the compass points southeast.'), _('the compass points southwest.')]; 
 	delete keywords;
